Home / 799,979,679.96-1,104,014,841.30-447,534,650.76

Finding the Fourth Proportional to 799,979,679.96, 1,104,014,841.30 and 447,534,650.76

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Solution

The fourth proportional to 799,979,679.96, 1,104,014,841.30 and 447,534,650.76 is: 617,621,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,979,679.96 : 1,104,014,841.30 = 447,534,650.76 : x
  2. Step 2: Convert to fraction form
    799,979,679.96/1,104,014,841.30 = 447,534,650.76/x
  3. Step 3: Cross multiply
    799,979,679.96x = 1,104,014,841.30 × 447,534,650.76
  4. Step 4: Simplify right side
    799,979,679.96x = 494,084,896,435,052,288
  5. Step 5: Solve for x
    x = 494,084,896,435,052,288/799,979,679.96
  6. Step 6: Final answer
    x = 617,621,808.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.